TEKNIK PENERBANGAN (S1) 2015/2016 BY M. AGUNG A.,B.Eng., M.Sc.

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Presentation transcript:

TEKNIK PENERBANGAN (S1) 2015/2016 BY M. AGUNG A.,B.Eng., M.Sc. MATERIAL TEKNIK TEKNIK PENERBANGAN (S1) 2015/2016 BY M. AGUNG A.,B.Eng., M.Sc.

PENGUJIAN MATERIAL UJI STATIS PENGUJIAN KEKERASAN PENGUJIAN TARIK PENGUJIAN IMPACT UJI MULUR UJI DINAMIS UJI KELELAHAN UJI LAJU PERAMBATAN RETAK

PENGUJIAN KEKERASAN (HARDNESS) Bertujuan untuk menentukan kekerasan bahan hasil dari heat treatment atau proses lainnya dengan metode resistance to penetration.

BRINELL TESTER Using hardened spherical ball (d=10 mm), forced into the surface with 3000 kg pressure for ferrous metals (pressure 10 s) and 500 kg pressure (pressure 30 s) for non- ferrous metals. Load from hydraulic pressure, built up by handpump or an electric motor. Calibrated microscope for measuring the impact diameter Read the result and compared it with Brinell hardness number

ROCKWELL TESTER Using hardened steel ball and diamond cone as a penetrator, with force called major load Read the result by measuring the depth. Matched the depth with dial that attached on the machine. Outer circle dial numbers are black, inner numbers are red. Compare the result between minor loads and major loads. Greater gap = lower hardness = softer

ROCKWELL TESTER

BARCOL TESTER Used for soft material only (Al, Co, etc), Aprox. 25-100 Brinell. Pembacaan langsung tertera pada alat